Feature: · Industrial gear drive column drilling machine · Variable speed by inverter and frequency motor · Lubrication gear head with quite operation · Adjustable drill depth stop with scale,reading at the front · Working table rotate 360° and swivels ±45° · Rigid constructuion of table and base · Automatic tool release device · Delta inverter is very stable quality · 24V controlling wiring · Equip with safety spindle guard, LED work lamp